Question

Camping A guy rope is attached to the top of a tent pole. The guy rope is pegged into the ground 5 feet from the tent. If the guy rope is 11 feet​ long, how long is the tent​ pole?

Answer 1

Pythagorean theorem: a^2+b^2=c^2
5^2+x^2=11^2
x=the length of the tent pole
answer: 9.78